Static task
static1
Behavioral task
behavioral1
Sample
2024-02-22_b78d4ce3bb4a5f7e1e93a5a3883c7695_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_b78d4ce3bb4a5f7e1e93a5a3883c7695_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_b78d4ce3bb4a5f7e1e93a5a3883c7695_cryptolocker
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Size
47KB
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MD5
b78d4ce3bb4a5f7e1e93a5a3883c7695
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SHA1
8a1b81312d0a624c75850d8f8b74a0a03b3f411d
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SHA256
67ec900f161ebde854a5986c29d51c738442c8de60b80472a6845d2cdfac7288
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SHA512
dae1f958680a77115c22d3060bfdd5624803ebf0e1099fa99060fc72919e7f2aa1019d2ed80bf19ca4f0f487c5bf3adf112f8360d476a395d5c40094b948fc30
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dmN:bgGYcA/53GAA6y37Q6dmN
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-22_b78d4ce3bb4a5f7e1e93a5a3883c7695_cryptolocker
Files
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2024-02-22_b78d4ce3bb4a5f7e1e93a5a3883c7695_cryptolocker.exe windows:5 windows x86 arch:x86
021d5e7849e90fdf4c65d3045c109483
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos
kernel32
GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.ropf Size: 512B - Virtual size: 101B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ